Verify Email Address
The feature allows you to verify the email addresses you are going to use for your form/survey distribution.
To see if there are any invalid email addresses in the list you have just typed in or imported, click the Verify Email Addresses button.
If the syntax of address is correct it will be displayed as Valid.
If there is a syntax error, the address will be displayed as Invalid.
If invalid email addresses have been detected click the Delete Invalid Addresses button to delete them from the list.